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Rodríguez R, Naranjo C, Kumar A, Dhbaibi K, Matozzo P, Camerel F, Vanthuyne N, Gómez R, Naaman R, Sánchez L, Crassous J. Weakly Self-Assembled [6]Helicenes: Circularly Polarized Light and Spin Filtering Properties. Chemistry 2023; 29:e202302254. [PMID: 37635073 DOI: 10.1002/chem.202302254] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/21/2023] [Accepted: 08/26/2023] [Indexed: 08/29/2023]
Abstract
Self-assembling features, chiroptical activity, and spin filtering properties are reported for 2,15- and 4,13-disubstituted [6]helicenes decorated in their periphery with 3,4,5-tris(dodecyloxy)-N-(4-ethynylphenyl)benzamide moieties. The weak non-covalent interaction between these units conditions the corresponding circularly polarized luminescence and spin polarization. The self-assembly is overall weak for these [6]helicene derivatives that, despite the formation of H-bonding interactions between the amide groups present in the peripheral moieties, shows very similar chiroptical properties both in the monomeric or aggregated states. This effect could be explained by considering the steric effect that these groups could generate in the growing of the corresponding aggregate formed. Importantly, the self-assembling features also condition chiral induced spin selectivity (CISS effect), with experimental spin polarization (SP) values found between 35-40 % for both systems, as measured by magnetic-conducting atomic force microscopy (AFM) technique.
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Affiliation(s)
- Rafael Rodríguez
- Institut des Sciences Chimiques de Rennes, University of Rennes, CNRS, ISCR, UMR 6226, F-35000, Rennes, France
| | - Cristina Naranjo
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040, Madrid, Spain
| | - Anil Kumar
- Department of Chemical and Biological Physics, Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Kais Dhbaibi
- Institut des Sciences Chimiques de Rennes, University of Rennes, CNRS, ISCR, UMR 6226, F-35000, Rennes, France
| | - Paola Matozzo
- Institut des Sciences Chimiques de Rennes, University of Rennes, CNRS, ISCR, UMR 6226, F-35000, Rennes, France
| | - Franck Camerel
- Institut des Sciences Chimiques de Rennes, University of Rennes, CNRS, ISCR, UMR 6226, F-35000, Rennes, France
| | - Nicolas Vanthuyne
- Aix Marseille Université, Centrale Marseille, CNRS, iSm2 UMR 7313, Marseille, 13397, France
| | - Rafael Gómez
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040, Madrid, Spain
| | - Ron Naaman
- Department of Chemical and Biological Physics, Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Luis Sánchez
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040, Madrid, Spain
| | - Jeanne Crassous
- Institut des Sciences Chimiques de Rennes, University of Rennes, CNRS, ISCR, UMR 6226, F-35000, Rennes, France
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Abstract
Many structures in nature look symmetric, but this is not completely accurate, because absolute symmetry is close to death. Chirality (handedness) is one form of living asymmetry. Chirality has been extensively investigated at different levels. Many rules were coined in attempts made for many decades to have control over the selection of handedness that seems to easily occur in nature. It is certain that if good control is realized on chirality, the roads will be ultimately open towards numerous developments in pharmaceutical, technological, and industrial applications. This tutorial review presents a report on chirality from single molecules to supramolecular assemblies. The realized functions are still in their infancy and have been scarcely converted into actual applications. This review provides an overview for starters in the chirality field of research on concepts, common methodologies, and outstanding accomplishments. It starts with an introductory section on the definitions and classifications of chirality at the different levels of molecular complexity, followed by highlighting the importance of chirality in biological systems and the different means of realizing chirality and its inversion in solid and solution-based systems at molecular and supramolecular levels. Chirality-relevant important findings and (bio-)technological applications are also reported accordingly.
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Haketa Y, Kamada K, Maeda H. Anion-Responsive Molecules That Exhibit Switching of Two-Photon Optical Properties. Chempluschem 2020; 85:1719-1729. [PMID: 32783362 DOI: 10.1002/cplu.202000503] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 07/23/2020] [Indexed: 12/11/2022]
Abstract
Two-photon-excited fluorescent probes are important for two-photon microscopy for biomedical studies. In contrast to the many examples of probes for cationic species, such as metal ions, there have been fewer reports on the control of two-photon optical properties by anions because in such systems it is difficult to control the associated π-electronic states. This Minireview summarizes anion-responsive molecules that exhibit changes in two-photon optical properties and describes their molecular design and anion-response mechanisms, which are driven by changes in covalent bonds and noncovalent interactions. Results from a recent study of two-photon systems, where geometries and optical properties are modulated by anion binding, are also discussed.
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Affiliation(s)
- Yohei Haketa
- Department of Applied Chemistry College of Life Sciences, Ritsumeikan University, Kusatsu, 525-8577, Japan
| | - Kenji Kamada
- Nanomaterials Research Institute (NMRI), National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, 563-8577, Japan
| | - Hiromitsu Maeda
- Department of Applied Chemistry College of Life Sciences, Ritsumeikan University, Kusatsu, 525-8577, Japan
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Haketa Y, Naganawa A, Sugiura S, Yasuda N, Maeda H. Anion-Responsive π-Electronic Systems Exhibiting Diverse Conformations and Stoichiometries in Anion Binding. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000464] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Yohei Haketa
- Department of Applied Chemistry; College of Life Sciences; Ritsumeikan University; Kusatsu 525-8577 Japan
| | - Atsushi Naganawa
- Department of Applied Chemistry; College of Life Sciences; Ritsumeikan University; Kusatsu 525-8577 Japan
| | - Shinya Sugiura
- Department of Applied Chemistry; College of Life Sciences; Ritsumeikan University; Kusatsu 525-8577 Japan
| | - Nobuhiro Yasuda
- Diffraction and Scattering Division; Japan Synchrotron Radiation Research Institute; Sayo 679-5198 Japan
| | - Hiromitsu Maeda
- Department of Applied Chemistry; College of Life Sciences; Ritsumeikan University; Kusatsu 525-8577 Japan
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Tanaka Y, Murayama T, Muranaka A, Imai E, Uchiyama M. Ring-Opened Hemiporphyrazines: Helical Molecules Exhibiting Circularly Polarized Luminescence. Chemistry 2020; 26:1768-1771. [PMID: 31868264 DOI: 10.1002/chem.201905246] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Indexed: 11/11/2022]
Abstract
We designed and synthesized a new type of small helical molecule exhibiting intense circularly polarized luminescence (CPL) (12H ) by modifying a 20π-electron hemiporphyrazine with a large transition magnetic dipole moment. The hemiporphyrazine ring was opened and one additional pyridine unit was introduced, resulting in an overlap of two pyridine rings. X-ray structure analysis confirmed that 12H and its zinc complex (1Zn ) adopt a helical geometry. A racemic mixture of 1Zn was resolved into two enantiomers ((P)- and (M)-1Zn ), which exhibited CPL with a high luminescence dissymmetry factor (glum ) value of ±2.1×10-2 . The origin of the large glum value was rationalized by means of DFT calculations. Helical structures could be formed in a diastereoselective manner by covalently attaching chiral units to the skeleton (1'2H and 1'Zn ). 1Zn was found to possess chiral recognition ability for amines.
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Affiliation(s)
- Yusuke Tanaka
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Tomotaka Murayama
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Atsuya Muranaka
- Cluster of Pioneering Research (CPR), Advanced Elements Chemistry Laboratory, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama, 351-0198, Japan
| | - Eiyu Imai
- Cluster of Pioneering Research (CPR), Advanced Elements Chemistry Laboratory, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama, 351-0198, Japan
| | - Masanobu Uchiyama
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.,Cluster of Pioneering Research (CPR), Advanced Elements Chemistry Laboratory, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama, 351-0198, Japan.,Research Initiative for Supra-Materials (RISM), Shinshu University, Ueda, 386-8567, Japan
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Eerdun C, Nguyen THT, Okayama T, Hisanaga S, Setsune JI. Conformational Changes and Redox Properties of Bimetallic Single Helicates of Hexapyrrole-α,ω-dicarbaldehydes. Chemistry 2019; 25:5777-5786. [PMID: 30746784 DOI: 10.1002/chem.201900353] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Indexed: 11/07/2022]
Abstract
The hexapyrrole-α,ω-dicarbaldehydes 1 a and 1 b were metallated with CuII , NiII , and PdII to give bimetallic complexes where a pair of 3 N+O four-coordinate metal planes are helically distorted and the central 2,2'-bipyrrole subunit adopts a cis or trans conformation. X-ray crystallographic analysis of the bisCu complex revealed a closed form with a cis-2,2'-bipyrrole subunit and an open form with a trans-2,2'-bipyrrole subunit. The bisPd complexes took a closed form both in the solid state and in solution. They are regarded as single helicates of two turns and the energy barrier for the interchange between an M helix and a P helix was remarkably influenced by the bulky 3,3'-substituent of the central 2,2'-bipyrrole subunit. Although the bisNi complexes adopt a closed form in the solid state, they exist as a homohelical open C2 -symmetric form or a heterohelical open Ci -symmetric form in solution. A theoretical study suggested that the closed form of 1 aPd was stabilized by the Pd-Pd interaction. Compound 1 aPd was reversibly oxidized by one electron at 0.14 V versus ferrocene/ferrocenium (Fc/Fc+ ) and this oxidized species showed Vis/NIR absorption bands at λ=767 and 1408 nm.
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Affiliation(s)
- Chaolu Eerdun
- School of Pharmaceutical Science, Inner Mongolia Medical University, Jinshan Economic & Technology Development District, Hohhot, 010100, P.R. China
| | - Thi Hien Thuy Nguyen
- Department of Chemistry, Graduate School of Science, Kobe University, 1-1 Rokkodai-cho, Nada-ku, Kobe, 657-8501, Japan
| | - Takuya Okayama
- Department of Chemistry, Graduate School of Science, Kobe University, 1-1 Rokkodai-cho, Nada-ku, Kobe, 657-8501, Japan
| | - Satoshi Hisanaga
- Department of Chemistry, Graduate School of Science, Kobe University, 1-1 Rokkodai-cho, Nada-ku, Kobe, 657-8501, Japan
| | - Jun-Ichiro Setsune
- Department of Chemistry, Graduate School of Science, Kobe University, 1-1 Rokkodai-cho, Nada-ku, Kobe, 657-8501, Japan
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Nikitin K, O'Gara R. Mechanisms and Beyond: Elucidation of Fluxional Dynamics by Exchange NMR Spectroscopy. Chemistry 2019; 25:4551-4589. [PMID: 30421834 DOI: 10.1002/chem.201804123] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Indexed: 12/31/2022]
Abstract
Detailed mechanistic information is crucial to our understanding of reaction pathways and selectivity. Dynamic exchange NMR techniques, in particular 2D exchange spectroscopy (EXSY) and its modifications, provide indispensable intricate information on the mechanisms of organic and inorganic reactions and other phenomena, for example, the dynamics of interfacial processes. In this Review, key results from exchange NMR studies of small molecules over the last few decades are systemised and discussed. After a brief introduction to the theory, the key types of dynamic processes are identified and fundamental examples given of intra- and intermolecular reactions, which, in turn, could involve, or not, bond-making and bond-breaking events. Following that logic, internal molecular rotation, intramolecular stereomutation and molecular recognition will first be considered because they do not typically involve bond breaking. Then, rearrangements, substitution-type reactions, cyclisations, additions and other processes affecting chemical bonds will be discussed. Finally, interfacial molecular dynamics and unexpected combinations of different types of fluxional processes will also be highlighted. How exchange NMR spectroscopy helps to identify conformational changes, coordination and molecular recognition processes as well as quantify reaction energy barriers and extract detailed mechanistic information by using reaction rate theory in conjunction with computational techniques will be shown.
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Affiliation(s)
- Kirill Nikitin
- School of Chemistry, University College Dublin, Belfield, Dublin, Ireland
| | - Ryan O'Gara
- School of Chemistry, University College Dublin, Belfield, Dublin, Ireland
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8
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Imai Y, Nakano Y, Kawai T, Yuasa J. A Smart Sensing Method for Object Identification Using Circularly Polarized Luminescence from Coordination-Driven Self-Assembly. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201803833] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Yuki Imai
- Department of Applied Chemistry; Tokyo University of Science; 1-3 Kagurazaka, Shinjuku-ku Tokyo 162-8601 Japan
| | - Yuka Nakano
- Graduate School of Materials Science; Nara Institute of Science and Technology; 8916-5 Takayama Ikoma Nara 630-0192 Japan
| | - Tsuyoshi Kawai
- Graduate School of Materials Science; Nara Institute of Science and Technology; 8916-5 Takayama Ikoma Nara 630-0192 Japan
| | - Junpei Yuasa
- Department of Applied Chemistry; Tokyo University of Science; 1-3 Kagurazaka, Shinjuku-ku Tokyo 162-8601 Japan
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9
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Imai Y, Nakano Y, Kawai T, Yuasa J. A Smart Sensing Method for Object Identification Using Circularly Polarized Luminescence from Coordination-Driven Self-Assembly. Angew Chem Int Ed Engl 2018; 57:8973-8978. [PMID: 29781199 DOI: 10.1002/anie.201803833] [Citation(s) in RCA: 120] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 05/02/2018] [Indexed: 01/24/2023]
Abstract
The potential use of circularly polarized luminescence for object identification in a sensor application is demonstrated. New luminescence probes using pyrene derivatives as sensor luminophores were developed. (R,R)-Im2 Py and (S,S)-Im2 Py contain two chiral imidazole moieties at 1,6-positions through ethynyl spacers (angle between spacers ca. 180°). The probe molecules spontaneously self-assemble into chiral stacks (P or M helicity) upon coordination to metal ions with tetrahedral coordination (Zn2+ ). The chiral probes display neither circular dichroism (CD) nor circularly polarized luminescence (CPL) without metal ions. However, (R,R)-Im2 Py and (S,S)-Im2 Py exhibit intense chiroptical activity (CD and CPL) upon self-assembly with Zn2+ ions. (R,R)-Im2 Py and (S,S)-Im2 Py with chemical stimuli-responsibility allow sensing using the CPL signal as detection output, enabling us to discriminate between a signal from the target analyte and that from non-target species.
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Affiliation(s)
- Yuki Imai
- Department of Applied Chemistry, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
| | - Yuka Nakano
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara, 630-0192, Japan
| | - Tsuyoshi Kawai
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara, 630-0192, Japan
| | - Junpei Yuasa
- Department of Applied Chemistry, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
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10
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Oka N, Ito F, Haketa Y, Maeda H, Miyano T, Tohnai N, Ito S, Miyasaka H, Ozeki S. Dynamic Polymorph Formation during Evaporative Crystallization from Solution: The Key Role of Liquid-Like Clusters as "Crucible" at Ambient Temperature. Chemistry 2018; 24:4343-4349. [PMID: 29356156 DOI: 10.1002/chem.201705356] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Indexed: 11/06/2022]
Abstract
Understanding the polymorph phenomenon for organic crystals is essential for the development of organic solid materials. Here, the fluorescence study of the evaporative crystallization of 1,3-dipyrrol-2-yl-1,3-propanedione boron difluoride complex (1), which has three polymorphs showing different emission profiles, is reported. The droplet of 1 in 1,2-dichloroethane showed blue emission just after dropping. Solids with bluish-green emission were observed. As time elapsed, a solid with red or orange emission was observed around the droplet. Time evolution of the fluorescence spectra, observed for the first time, implied that the molten state of 1 was observed by emission of an intermediate, even at ambient temperature. These findings suggested that the liquid-like cluster incidentally forms an ordered array as the crystallites nucleate. The liquid-like cluster can be considered as the "crucible" in the nucleation of polymorphs.
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Affiliation(s)
- Narumi Oka
- Department of Chemistry, Institute of Science, Shinshu University, Matsumoto, 390-8621, Japan
| | - Fuyuki Ito
- Department of Chemistry, Institute of Education, Shinshu University, Nagano, 380-8544, Japan
| | - Yohei Haketa
- Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, Kusatsu, 525-8577, Japan
| | - Hiromitsu Maeda
- Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, Kusatsu, 525-8577, Japan
| | - Tetsuya Miyano
- Department of Material and Life Science, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Norimitsu Tohnai
- Department of Material and Life Science, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Syoji Ito
- Division of Frontier Materials Science, Graduate School of, Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - Hiroshi Miyasaka
- Division of Frontier Materials Science, Graduate School of, Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - Sumio Ozeki
- Department of Chemistry, Institute of Science, Shinshu University, Matsumoto, 390-8621, Japan
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Resa S, Miguel D, Guisán-Ceinos S, Mazzeo G, Choquesillo-Lazarte D, Abbate S, Crovetto L, Cárdenas DJ, Carreño MC, Ribagorda M, Longhi G, Mota AJ, Álvarez de Cienfuegos L, Cuerva JM. Sulfoxide-Induced Homochiral Folding of ortho
-Phenylene Ethynylenes (o
-OPEs) by Silver(I) Templating: Structure and Chiroptical Properties. Chemistry 2018; 24:2653-2662. [DOI: 10.1002/chem.201704897] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Indexed: 12/29/2022]
Affiliation(s)
- Sandra Resa
- Department of Organic Chemistry; University of Granada, UGR; C. U. Fuentenueva 18071 Granada Spain
| | - Delia Miguel
- Department of Physical Chemistry; University of Granada, UGR, Cartuja Campus; 18071 Granada Spain
| | - Santiago Guisán-Ceinos
- Department of Organic Chemistry; Universidad Autónoma de Madrid, Cantoblanco; 28049 Madrid Spain
| | - Giuseppe Mazzeo
- Dipartimento di Medicina e Traslazionale; Università di Brescia; Viale Europa 11 25123 Brescia Italy
| | - Duane Choquesillo-Lazarte
- Laboratorio de Estudios Cristalográficos; Instituto Andaluz de Ciencias de la Tierra, CSIC-UGR; Armilla, Granada Spain
| | - Sergio Abbate
- Dipartimento di Medicina e Traslazionale; Università di Brescia; Viale Europa 11 25123 Brescia Italy
| | - Luis Crovetto
- Department of Physical Chemistry; University of Granada, UGR, Cartuja Campus; 18071 Granada Spain
| | - Diego J. Cárdenas
- Department of Organic Chemistry; Universidad Autónoma de Madrid, Cantoblanco; 28049 Madrid Spain
| | - M. Carmen Carreño
- Department of Organic Chemistry; Universidad Autónoma de Madrid, Cantoblanco; 28049 Madrid Spain
| | - María Ribagorda
- Department of Organic Chemistry; Universidad Autónoma de Madrid, Cantoblanco; 28049 Madrid Spain
| | - Giovanna Longhi
- Dipartimento di Medicina e Traslazionale; Università di Brescia; Viale Europa 11 25123 Brescia Italy
| | - Antonio J. Mota
- Department of Inorganic Chemistry; University of Granada, UGR; C. U. Fuentenueva 18071 Granada Spain
| | | | - Juan M. Cuerva
- Department of Organic Chemistry; University of Granada, UGR; C. U. Fuentenueva 18071 Granada Spain
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Yamakado R, Ashida Y, Sato R, Shigeta Y, Yasuda N, Maeda H. Cooperatively Interlocked [2+1]-Type π-System-Anion Complexes. Chemistry 2017; 23:4160-4168. [DOI: 10.1002/chem.201605765] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Ryohei Yamakado
- Department of Applied Chemistry; College of Life Sciences; Ritsumeikan University; Kusatsu 525-8577 Japan
| | - Yukina Ashida
- Department of Applied Chemistry; College of Life Sciences; Ritsumeikan University; Kusatsu 525-8577 Japan
| | - Ryuma Sato
- Department of Physics; Graduate School of Pure and Applied Sciences; University of Tsukuba; Tsukuba 305-8577 Japan
| | - Yasuteru Shigeta
- Department of Physics; Graduate School of Pure and Applied Sciences; University of Tsukuba; Tsukuba 305-8577 Japan
| | - Nobuhiro Yasuda
- Research and Utilization Division; Japan Synchrotron Radiation Research Institute; Sayo 679-5198 Japan
| | - Hiromitsu Maeda
- Department of Applied Chemistry; College of Life Sciences; Ritsumeikan University; Kusatsu 525-8577 Japan
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13
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Shintani R, Misawa N, Takano R, Nozaki K. Rhodium-Catalyzed Synthesis and Optical Properties of Silicon-Bridged Arylpyridines. Chemistry 2017; 23:2660-2665. [DOI: 10.1002/chem.201605000] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Ryo Shintani
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Nana Misawa
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Ryo Takano
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kyoko Nozaki
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
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14
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Li F, Li Y, Wei G, Wang Y, Li S, Cheng Y. Circularly Polarized Luminescence of Chiral Perylene Diimide Based Enantiomers Triggered by Supramolecular Self-Assembly. Chemistry 2016; 22:12910-5. [DOI: 10.1002/chem.201601328] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Fei Li
- Key Lab of Mesoscopic Chemistry of MOE and; Collaborative Innovation Center of Chemistry for Life Sciences; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P. R. China
| | - Yunzhi Li
- Key Laboratory of Mesoscopic Chemistry of Ministry of Education; Institute of Theoretical and; Computational Chemistry School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P. R. China
| | - Guo Wei
- School of Chemistry and Materials Science; Nanjing Normal University; Nanjing 210023 P. R. China
| | - Yuxiang Wang
- Key Lab of Mesoscopic Chemistry of MOE and; Collaborative Innovation Center of Chemistry for Life Sciences; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P. R. China
| | - Shuhua Li
- Key Laboratory of Mesoscopic Chemistry of Ministry of Education; Institute of Theoretical and; Computational Chemistry School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P. R. China
| | - Yixiang Cheng
- Key Lab of Mesoscopic Chemistry of MOE and; Collaborative Innovation Center of Chemistry for Life Sciences; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P. R. China
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Nakamura M, Suzuki J, Ota F, Takada T, Akagi K, Yamana K. Helically Assembled Pyrene Arrays on an RNA Duplex That Exhibit Circularly Polarized Luminescence with Excimer Formation. Chemistry 2016; 22:9121-4. [PMID: 27150679 DOI: 10.1002/chem.201602043] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Indexed: 01/10/2023]
Affiliation(s)
- Mitsunobu Nakamura
- Department of Applied Chemistry, Graduate School of Engineering; University of Hyogo; 2167 Shosha, Himeji Hyogo 671-2280 Japan
| | - Junpei Suzuki
- Department of Applied Chemistry, Graduate School of Engineering; University of Hyogo; 2167 Shosha, Himeji Hyogo 671-2280 Japan
| | - Fuyuki Ota
- Department of Polymer Chemistry; Kyoto University; Katsura Kyoto 615-8510 Japan
| | - Tadao Takada
- Department of Applied Chemistry, Graduate School of Engineering; University of Hyogo; 2167 Shosha, Himeji Hyogo 671-2280 Japan
| | - Kazuo Akagi
- Department of Polymer Chemistry; Kyoto University; Katsura Kyoto 615-8510 Japan
| | - Kazushige Yamana
- Department of Applied Chemistry, Graduate School of Engineering; University of Hyogo; 2167 Shosha, Himeji Hyogo 671-2280 Japan
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Gon M, Morisaki Y, Sawada R, Chujo Y. Synthesis of Optically Active, X-Shaped, Conjugated Compounds and Dendrimers Based on Planar Chiral [2.2]Paracyclophane, Leading to Highly Emissive Circularly Polarized Luminescence. Chemistry 2016; 22:2291-8. [DOI: 10.1002/chem.201504270] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Indexed: 12/29/2022]
Affiliation(s)
- Masayuki Gon
- Department of Polymer Chemistry; Graduate School of Engineering; Kyoto University; Katsura, Nishikyo-ku Kyoto 615-8510 Japan
| | - Yasuhiro Morisaki
- Department of Applied Chemistry for Environment; School of Science and Technology; Kwansei Gakuin University; 2-1 Gakuen, Sanda Hyogo 669-1337 Japan
| | - Risa Sawada
- Department of Polymer Chemistry; Graduate School of Engineering; Kyoto University; Katsura, Nishikyo-ku Kyoto 615-8510 Japan
| | - Yoshiki Chujo
- Department of Polymer Chemistry; Graduate School of Engineering; Kyoto University; Katsura, Nishikyo-ku Kyoto 615-8510 Japan
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Eerdun C, Hisanaga S, Setsune JI. One-handed single helicates of dinickel(II) benzenehexapyrrole-α,ω-diimine with an amine chiral source. Chemistry 2015; 21:239-46. [PMID: 25370535 DOI: 10.1002/chem.201404782] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Indexed: 11/07/2022]
Abstract
Benzenehexapyrrole-α,ω-dialdehyde, composed of a pair of formyltripyrrole units with a 1,3-phenylene linker, was metallated to give dinuclear single-stranded helicates. X-ray studies of the bis-nickel(II) complex showed a helical C2 form with a pair of helical-metal coordination planes of a 3N+O donor set. The terminal aldehyde was readily converted into the imine by optically active amines, whereby helix-sense bias was induced. Bis-nickel(II) and bis-palladium(II) complexes of the benzenehexapyrrole-α,ω-diimines were studied to show that an enantiomer pair of the helical C2 form are interchanged by slow flipping of each coordination plane and fast rotation around the C(benzene)C(pyrrole) bond. The helical screw in the bis-nickel(II) complexes was biased to one side in more than 95 % diastereoselectivity, which was achieved by using a variety of optically active amines, such as (R)-1-cyclohexylethylamine, (S)-1- phenylethylamine, L-Phe(OEt) (Phe=phenylalanine), and (R)-valinol. The nickel complexes showed much better diastereoselectivity than the corresponding palladium complexes.
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Affiliation(s)
- Chaolu Eerdun
- Department of Chemistry, Graduate School of Science, Kobe University, 1-1 Rokkodai-cho, Nada-ku, Kobe 657-8501 (Japan), Fax: (+81) 78-803-5770
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Shintani R, Takagi C, Ito T, Naito M, Nozaki K. Rhodium-Catalyzed Asymmetric Synthesis of Silicon-Stereogenic Dibenzosiloles by Enantioselective [2+2+2] Cycloaddition. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201409733] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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19
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Shintani R, Takagi C, Ito T, Naito M, Nozaki K. Rhodium-Catalyzed Asymmetric Synthesis of Silicon-Stereogenic Dibenzosiloles by Enantioselective [2+2+2] Cycloaddition. Angew Chem Int Ed Engl 2014; 54:1616-20. [DOI: 10.1002/anie.201409733] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Revised: 11/14/2014] [Indexed: 11/08/2022]
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Inouye M, Hayashi K, Yonenaga Y, Itou T, Fujimoto K, Uchida TA, Iwamura M, Nozaki K. A Doubly Alkynylpyrene-Threaded [4]Rotaxane That Exhibits Strong Circularly Polarized Luminescence from the Spatially Restricted Excimer. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201408193] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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21
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Inouye M, Hayashi K, Yonenaga Y, Itou T, Fujimoto K, Uchida TA, Iwamura M, Nozaki K. A Doubly Alkynylpyrene-Threaded [4]Rotaxane That Exhibits Strong Circularly Polarized Luminescence from the Spatially Restricted Excimer. Angew Chem Int Ed Engl 2014; 53:14392-6. [DOI: 10.1002/anie.201408193] [Citation(s) in RCA: 154] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Indexed: 11/10/2022]
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Yuasa J, Ueno H, Kawai T. Sign Reversal of a Large Circularly Polarized Luminescence Signal by the Twisting Motion of a Bidentate Ligand. Chemistry 2014; 20:8621-7. [DOI: 10.1002/chem.201402268] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Indexed: 12/22/2022]
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Morisaki Y, Inoshita K, Chujo Y. Planar-Chiral Through-Space Conjugated Oligomers: Synthesis and Characterization of Chiroptical Properties. Chemistry 2014; 20:8386-90. [DOI: 10.1002/chem.201402930] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Indexed: 12/19/2022]
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Maeda H, Hane W, Bando Y, Terashima Y, Haketa Y, Shibaguchi H, Kawai T, Naito M, Takaishi K, Uchiyama M, Muranaka A. Chirality Induction by Formation of Assembled Structures Based on Anion-Responsive π-Conjugated Molecules. Chemistry 2013; 19:16263-71. [DOI: 10.1002/chem.201301737] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2013] [Revised: 08/19/2013] [Indexed: 11/09/2022]
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25
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Xu H, Ghijsens E, George SJ, Wolffs M, Tomović Ž, Schenning APHJ, De Feyter S. Chiral Induction and Amplification in Supramolecular Systems at the Liquid-Solid Interface. Chemphyschem 2013; 14:1583-90. [DOI: 10.1002/cphc.201300212] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Indexed: 11/12/2022]
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